import time
sbox = [
  0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
  0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
  0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
  0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
  0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
  0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
  0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
  0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
  0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
  0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
  0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
  0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
  0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
  0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
  0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
  0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 ]


const = [0x1,0x2,0x4,0x8,0x10,0x20,0x40,0x80,0x1b,0x36]

#16进制转列表
def int_2_list(p):
  t = [int(format(p,"032x")[2*i:2*i+2],16) for i in range(16)]
  for i in range(16):
    a = [[0 for i in range(4)]for j in range(4)]
    for i in range(4):
      for k in range(4):
        a[i][k] = t[i + 4*k]
  return a

#列表转16进制
def list_2_int(n):
  n = list(map(list,list(zip(*n))))
  n = n[0] + n[1] + n[2] + n[3]
  n = [format(i,"02x") for i in n]
  n = "".join(n)
  n = int (n,16)
  return n

#sbox字节代换
def sbox_replace(p):
  for i in range(4):
    for j in range(4):
      p[i][j] = sbox[p[i][j]]
  return p


#密钥扩展
def key_schedule(k):
  key = [k]
  for i in range(10):
    t = [[0 for i in range(4)]for j in range(4)]
    for j in range(4):
      if j != 0:
        for k in range(4):
          t[k][j] = t[k][j-1] ^ key[i][k][j]
      else:
        for k in range(4):
          t[k][j] = key[i][k][j] ^ sbox[key[i][(k+1) % 4][3]]
        t[0][j] ^= const[i]
    key.append(t)
  return key

#轮密钥加
def key_add(p,key):
  for i in range(4):
    for j in range(4):
      p[i][j] ^= key[i][j]
  return p

def rotate(p,set):
  return [p[(i + set) % len(p)] for i in range(len(p))]

#行移位
def shift_row(p):
  for i in range(1,4):
    p[i] = rotate(p[i],i)
  return p

def mul(x,y):
  m = 0
  for i in range(8):
    if (x >> i) & 0x1 ==  1:
      m ^= y
    y = ((y << 1) & 0xff) ^ ((y >> 7) * 0x1b)
  return m

def mul2(x):
  return ((x << 1) & 0xff) ^ ((x >> 7) * 0x1b)

def mul3(x):
  return ((x << 1) & 0xff) ^ ((x >> 7) * 0x1b) ^ x
#列混淆
def mix_column(p):
  m = []
  for i in range(4):
    t = []
    t.append(mul2(p[0][i]) ^ mul3(p[1][i]) ^ p[2][i] ^ p[3][i])
    t.append(p[0][i] ^ mul2(p[1][i]) ^ mul3(p[2][i]) ^ p[3][i])
    t.append(p[0][i] ^ p[1][i] ^ mul2(p[2][i]) ^ mul3(p[3][i]))
    t.append(mul3(p[0][i]) ^ p[1][i] ^ p[2][i] ^ mul2(p[3][i]))
    m.append(t)
  return list(map(list,list(zip(*m))))

#加密
def encrypt(p,key):
  key_add(p,key[0])
  for i in range(9):
    p = sbox_replace(p)
    p = shift_row(p)
    p = mix_column(p)
    p = key_add(p,key[i + 1])
  p = sbox_replace(p)
  p = shift_row(p)
  p = key_add(p,key[-1])
  return p


p = 0x0123456789abcdeffedcba9876543210
k = 0x01010101010101010101010101010101
p = int_2_list(p)
k = int_2_list(k)
key = key_schedule(k)
c = encrypt(p,key)
c = list_2_int(c)
print(hex(c))
start = time.time()
for i in range(2**18):
  pt = 0x00000000000000000000000000000000
  kt = 0x01010101010101010101010101010101
  pt = int_2_list(pt)
  kt = int_2_list(kt)
  keyt = key_schedule(kt)
  ct = encrypt(pt,keyt)
  ct = list_2_int(ct)
end = time.time()
t = end - start
print("加密时间为{}".format(t))
